Picnic table



FIG. 1 is a plan view of the hexagonal embodiment of the present design;

FIG. 2 is a side view of the embodiment of FIG. 1;

FIG. 3 is a plan view of an octagonal variant of the present design; and

FIG. 4 is a plan view of a decagonal variant of the present design. 

The ornamental design for a picnic table, as shown. 